regional geochemical anomaly

例句：

1. 1.The regional geochemical anomaly is causing a lot of concern among scientists.
   区域地球化学异常引起了科学家的广泛关注。
2. 2. The study of regional geochemical anomalies can help us understand the Earth's history better.
   研究区域地球化学异常可以帮助我们更好地了解地球的历史。
3. 3. The discovery of this regional geochemical anomaly has sparked a new era in mineral exploration.
   这一区域的地球化学异常的发现，开启了矿物勘探的新纪元。